SAN JUAN TALPA, El Salvador, March 28 (Thomson Reuters Foundation) - Every time the neighbourhood dogs bark at night, Teresa, a 44-year-old transgender woman in El Salvador, wakes up in a panic. "I think that someone is coming to kill me," said Teresa, a shopkeeper in the coastal town of San Juan Talpa. "I live in constant fear." Three transgender people were killed in San Juan Talpa in February alone, police say, spreading fear through members of El Salvador's LGBTI community. The spate of murders puts a spotlight on the violence El Salvador's LGBTI community faces, a problem rights activists blame on powerful street gangs and entrenched social prejudices.